[moderation/CI] Re: KVM: x86: Fastpath cleanups and PMU prep work

[moderation/CI] Re: KVM: x86: Fastpath cleanups and PMU prep work

[syzbot ci]

syzbot ci has tested the following series

[v1] KVM: x86: Fastpath cleanups and PMU prep work
https://lore.kernel.org/all/20250805190526.1453366-1-seanjc@google.com
* [PATCH 01/18] KVM: SVM: Skip fastpath emulation on VM-Exit if next RIP isn't valid
* [PATCH 02/18] KVM: x86: Add kvm_icr_to_lapic_irq() helper to allow for fastpath IPIs
* [PATCH 03/18] KVM: x86: Only allow "fast" IPIs in fastpath WRMSR(X2APIC_ICR) handler
* [PATCH 04/18] KVM: x86: Drop semi-arbitrary restrictions on IPI type in fastpath
* [PATCH 05/18] KVM: x86: Unconditionally handle MSR_IA32_TSC_DEADLINE in fastpath exits
* [PATCH 06/18] KVM: x86: Acquire SRCU in WRMSR fastpath iff instruction needs to be skipped
* [PATCH 07/18] KVM: x86: Unconditionally grab data from EDX:EAX in WRMSR fastpath
* [PATCH 08/18] KVM: x86: Fold WRMSR fastpath helpers into the main handler
* [PATCH 09/18] KVM: x86/pmu: Move kvm_init_pmu_capability() to pmu.c
* [PATCH 10/18] KVM: x86/pmu: Add wrappers for counting emulated instructions/branches
* [PATCH 11/18] KVM: x86/pmu: Calculate set of to-be-emulated PMCs at time of WRMSRs
* [PATCH 12/18] KVM: x86/pmu: Rename pmc_speculative_in_use() to pmc_is_locally_enabled()
* [PATCH 13/18] KVM: x86/pmu: Open code pmc_event_is_allowed() in its callers
* [PATCH 14/18] KVM: x86/pmu: Drop redundant check on PMC being globally enabled for emulation
* [PATCH 15/18] KVM: x86/pmu: Drop redundant check on PMC being locally enabled for emulation
* [PATCH 16/18] KVM: x86/pmu: Rename check_pmu_event_filter() to pmc_is_event_allowed()
* [PATCH 17/18] KVM: x86: Push acquisition of SRCU in fastpath into kvm_pmu_trigger_event()
* [PATCH 18/18] KVM: x86: Add a fastpath handler for INVD

and found the following issue:
SYZFATAL: image testing failed w/o kernel bug

Full report is available here:
https://ci.syzbot.org/series/dcb800fc-bfef-4784-bed8-2bc7e47a8ca0

***

SYZFATAL: image testing failed w/o kernel bug

tree:      torvalds
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
base:      260f6f4fda93c8485c8037865c941b42b9cba5d2
arch:      amd64
compiler:  Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
config:    https://ci.syzbot.org/builds/219bab5b-2202-4205-b5a6-de3ed39ac197/config



***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com

---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.

The email will later be sent to:
[dapeng1.mi@linux.intel.com kvm@vger.kernel.org linux-kernel@vger.kernel.org pbonzini@redhat.com sandipan.das@amd.com seanjc@google.com xin@zytor.com]

If the report looks fine to you, reply with:
#syz upstream